Rev. 1.00

6

�an�a�� ��� �011

Rev. 1.00

7

�an�a�� ��� �011

HT16x2Tx/HT12x2Tx

Operation Flowchart

Power on

Standby mode

No

YES

YES

No

4 data words

transmitted

4 data words

transmitted

continuously

Transmission

enabled?

Transmission

still enabled

Application Circuit

1

2

3

4

A

B

C

D

4

3

2

1

D

C

B

A

Title

Number

Revision

Size

A4

Date:

4-Nov-2010

Sheet

of

File:

D:\layout\HT9831_lay\HT1XET3\HT1XET3.Ddb

Drawn By:

433MTX(SZ01SZ1M11)

HT12E2TX_UHF TX

S1

SW-DIP

S7

SW-DIP

S8

SW-TACT

S9

SW-TACT

S10

SW-TACT

S11

SW-TACT

S12

SW-TACT

S13

SW-TACT

D1

LED

1

2

X1

BT2(3V)

BATTERY

BT1(12V)

BATTERY

R1

C2

C1

1

3

2

HT7136-1

U2 LDO

L1

150nH

Trace ANT

R3

C3

C4

C5

C6

C7

100pF

C8

0.1uF

VDD

S6

SW-DIP

S5

SW-DIP

S4

SW-DIP

S3

SW-DIP

S2

SW-DIP

S0

SW-DIP

PAOUT

10

VSS

9

XIN

12

XOUT

13

A5

2

B1

14

B0

B1

D3

16

D2

17

DOUT

11

VDD

8

D0

19

D1

18

A7

20

A6

1

A4

3

A3

4

A2

5

A0

7

A1

6

U1

HT12E2T3

Note: 1. When using a 6~12V battery, an HT7136 LDO should be added

2. 315MHz RF uses a 9.84375MHz Crystal

433MHz RF uses a 13.56MHz Crystal